No problem, we've got 3291 and 624 to multiply
3291 × 624 = 624 × (3291)
+ 624 × 1 what gives us 624
+ 624 × 90 that is equal 56160
+ 624 × 200 giving us 124800
+ 624 × 3000 that equals 1872000

= 2053584
